1/*
2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * IDEA low level APIs are deprecated for public use, but still ok for internal
12 * use where we're using them to implement the higher level EVP interface, as is
13 * the case here.
14 */
15#include "internal/deprecated.h"
16
17/* Dispatch functions for Idea cipher modes ecb, cbc, ofb, cfb */
18
19#include "cipher_idea.h"
20#include "prov/implementations.h"
21#include "prov/providercommon.h"
22
23static OSSL_FUNC_cipher_freectx_fn idea_freectx;
24static OSSL_FUNC_cipher_dupctx_fn idea_dupctx;
25
26static void idea_freectx(void *vctx)
27{
28    PROV_IDEA_CTX *ctx = (PROV_IDEA_CTX *)vctx;
29
30    ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
31    OPENSSL_clear_free(ctx,  sizeof(*ctx));
32}
33
34static void *idea_dupctx(void *ctx)
35{
36    PROV_IDEA_CTX *in = (PROV_IDEA_CTX *)ctx;
37    PROV_IDEA_CTX *ret;
38
39    if (!ossl_prov_is_running())
40        return NULL;
41
42    ret = OPENSSL_malloc(sizeof(*ret));
43    if (ret == NULL) {
44        ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
45        return NULL;
46    }
47    *ret = *in;
48
49    return ret;
50}
51
52/* ossl_idea128ecb_functions */
53IMPLEMENT_generic_cipher(idea, IDEA, ecb, ECB, 0, 128, 64, 0, block)
54/* ossl_idea128cbc_functions */
55IMPLEMENT_generic_cipher(idea, IDEA, cbc, CBC, 0, 128, 64, 64, block)
56/* ossl_idea128ofb64_functions */
57IMPLEMENT_generic_cipher(idea, IDEA, ofb64, OFB, 0, 128, 8, 64, stream)
58/* ossl_idea128cfb64_functions */
59IMPLEMENT_generic_cipher(idea, IDEA, cfb64,  CFB, 0, 128, 8, 64, stream)
60